Priscilla Meirelles, from Brazil, won the 2004 Miss Earth pageant in Manila, Philippines. Her complete name is Priscilla Meirelles de Almeida.

In winning Miss Earth, Brazil became the first country to win the "Big Four" in beauty pageants. She also claimed the Best in National Costume Award.

She also won the 2003 Miss Globe pageant in Antalya, Turkey.

She is 5'10" tall, and dating Filipino commercial model and character actor John Estrada (Philippines). She was also formerly linked to commercial model Marc Nelson who was the host/presenter of Miss Earth 2004, Priscilla's winning pageant.